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Filtering by: Creator Stevenson, John Degree Level Master's License All rights reserved Subject Water quality biological assessment -- Oregon

Investigation of the presence and change over time of water quality parameters in selected natural swimming areas in Oregon

Creator:

Van Ess, Erica

Abstract:

Few studies, and none in Oregon, have examined the presence and change of water quality parameters over time in popular natural swimming areas. This information is necessary to better understand water quality and risk of illness from either fecal contamination or cross-infection from other swimmers. The purpose of this study...

Resource Type:

Masters Thesis

Full Text:

. Stevenson (1953) showed a correlation between swimming and incidence of illness at two of his study sites
Preliminary investigation of microbial indicators in the assessment of Oregon streams

Creator:

Campbell, Heidi M. K.

Abstract:

The Environmental Monitoring and Assessment Program (EMAP) site selection protocol was used to generate a random sample of streams throughout the state of Oregon. One hundred and forty-six selected streams were sampled during the summer, low-flow period of 1997. Traditional microbial public health indicators, including heterotrophic plate counts (HPC), total...

Resource Type:

Masters Thesis

Full Text:

, John Day River 27 2h Snake River Basin, Rock Creek 27 3a Population Distribution of Heterotrophic